SUMMARY: Changing MTU size for Sun FDDI 3.0

From: Doug_Tassan (tassand@rad_bin_3.tpd.eds.com)
Date: Tue Jun 13 1995 - 05:46:18 CDT


Earlier I sent:

> I need help changing the MTU size for Sun FDDI 3.0 drivers under
> Solaris 1.0. Is this merely a kernel file change or is there a
> command available? Can anyone help?

Solution:

        Solaris 1
        ---------

        Read the Manual , page 110 (chapter 6 SUNLINK FDDI Users Guide)
        
        If you don't have it (that's me) then do the following:

        1. Edit /usr/sunlink/nf/sys/sunif/if_conf.c
           modify nf_mtu = <What ever size u want>

           (default value is 4352 - valid range 1-4500)

        2. cd /usr/sunlink/nf/sys/<arch>/OBJ

        3. cc -O -I/sys -DKERNEL -sparc -c ../../sunif/nf_conf.c

        4. ld -r -o nf.o if_nf.o smt.o nf_smtcore.o nf_conf.o

        5. mv nf.o /usr/etc

        6. Reboot the machine.

        

        Solaris 2
        ---------

        Use ifconfig to change mtu for interface. See man page for
        details.

Many thanks to the following:

kalle@cs.wvu.edu
sdickson@aries.for.gov.bc.ca
pilonm@CCG.RNCan.gc.ca
allan@mazama.com
roy@mss.com
Al.Venz@seag.fingerhut.com
Scott.Kamin@Central.Sun.COM
oconnor%gecko.uucp@Germany.EU.net
cds@sanjose.ssds.com
stern@sunrise.East.Sun.COM
hjson@dauri.sies.co.kr

--
Doug Tassan   			EDS - Technical Products Div.
E-Mail: tassand@tpd.eds.com	Voice:  (214) 612-6613



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